'use strict';
const db = uniCloud.database()
const dbCmd = db.command
exports.main = async (event, context) => {
	//event为客户端上传的参数
	console.log(event);
	const res = db.collection('goods-list').where({
		_id: event._id
	}).update({
		sales: dbCmd.inc(event.handleNum),
		stock: dbCmd.inc(-event.handleNum)
	})
	// let res = await collection.get(event)
	//返回数据给客户端
	return res
};
